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WD Purple 2TB Surveillance HDD 5400 RPM SATA 6Gb/s 3.5in

Western Digital ★ 4.0/5 · ItemOracle Score Mid-Range

$70 USD
Price subject to change
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WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURX [Old Version]

Surveillance-grade hard drive designed for security systems with optimized write operations. Customers note easy installation and solid performance for value, speed, and quiet operation

Highlights

  • surveillance-optimized write handling
  • low frame loss for video
  • quiet operation and easy installation

Pros

  • engineered for surveillance systems
  • prioritized write-operations for surveillance
  • quiet operation
  • easy to install
  • valued for speed and performance

Cons

  • mixed lifespan reported by customers
  • some users experienced crashes within months

Best For

  • security camera recording
  • DVR/NVR surveillance setups
  • video retention for security systems
  • video stream handling for high-channel-count layouts
  • integration with Dahua NVR (customer insight)

Features

  • Optimized for surveillance systems with write-intensive workloads
  • Supports TLER and ATA streaming for steady data flow
  • Reduces video frame loss in high‑stream-count surveillance scenarios
  • Includes a 3.5-inch HDD with 2 TB capacity and 64 MB cache
  • Packaged as drive-only; mounting hardware, cables, and manuals sold separately

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